Look guys,
There is a rather simple way to go about making sure the WL you are bonking isn't HIV positive. Or at the very least, a good chance she won't be transmitting to you.
The test is call Orasure. Here's where to get it.
http://home-hiv-tests.com/
Hey, 20 minutes of testing. She is negative, you play and at the very least you know you aren't gonna lose your life over it...though you might catch other stuff...